apt-setup - add apt download sources
apt-setup [probe?
apt-setup is an interactive program that simplifies adding sources to apt's sources.list. It knows about all the major debian mirrors and can help you select one. It can even use apt-cdrom(8) to scan CD's.
Joey Hess <joey@kitenet.net>
Note: apt-setup is included in the package base-config(8)
One page links to apt-setup(8):